A223777 - cp's OEIS frontend

A223777 T(n,k)=Number of nXk 0..1 arrays with rows and columns unimodal and antidiagonals nondecreasing.

n	a(n)
1	2
2	4
3	4
4	7
5	12
6	7
7	11
8	28
9	28
10	11
11	16
12	56
13	78
14	56
15	16
16	22
17	101
18	180
19	180
20	101
21	22
22	29
23	169
24	371
25	461
26	371
27	169
28	29
29	37
30	267
31	707
32	1040
33	1040
34	707
35	267
36	37
37	46
38	403
39	1269
40	2164
41	2516
42	2164
43	1269
44	403
45	46
46	56
47	586
48	2170
49	4246
50	5573
51	5573
52	4246
53	2170
54	586
55	56
56	67

[2, 4, 4, 7, 12, 7, 11, 28, 28, 11, 16, 56, 78, 56, 16, 22, 101, 180, 180, 101, 22, 29, 169, 371, 461, 371, 169, 29, 37, 267, 707, 1040, 1040, 707, 267, 37, 46, 403, 1269, 2164, 2516, 2164, 1269, 403, 46, 56, 586, 2170, 4246, 5573, 5573, 4246, 2170, 586, 56, 67]

cp's OEIS Frontend

A223777 T(n,k)=Number of nXk 0..1 arrays with rows and columns unimodal and antidiagonals nondecreasing.

Table of values

List of values